5315-01-156-5233

Description: Headless Shoulder Pin

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We are commited to quality and satisfaction as a certified supplier in the aerospace and military industries.

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MILSPEC: MIL-S-21952

 Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

More MIL-S-21952 Parts

MIL-S-21952 Headless Shoulder Pin

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-S-21952

Array Properties

  • NSN:
    Array
  • Description:
    Headless Shoulder Pin
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 EA
  • First End Style:
    Chamfered
  • Second End Style:
    Square
  • Thread Class:
    2a
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.750 inches
  • Shoulder Diameter:
    0.747 inches
  • Overall Length:
    3.875 inches
  • First Step Diameter:
    1.125 inches
  • First Step Length:
    0.438 inches
  • Second Step Diameter:
    Between 0.746 inches and 0.748 inches
  • Second Step Length:
    1.312 inches
  • Third Step Diameter:
    0.500 inches
  • Third Step Length:
    0.875 inches
  • First End Taper Length:
    0.062 inches
  • Second End Relationship With First End:
    Not identical
  • Thread Size:
    0.500 inches
  • First End Location:
    Threaded end
  • First End Taper Angle:
    45.0 degrees
  • Surface Finish:
    63.0 microinches large shank
  • Special Features:
    63.0 microinches shoulder bearing surface
  • Material:
    Steel
  • Material Specification:
    Mil-s-21952 hy-80 ty a military specification single material response
  • Style Designator:
    Shoulder
  • Thread Series Designator:
    Unc
Manufacturers and Part Numbers
Part Number
Brand
77643-42X9 PIECE 16
Electric Boat Corporation
SSN637-501-2159964 PIECE 16
Naval Ship Systems Command
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
MOE_CD:
DN
MOE_RL:
N9BZ
PICA:
GX
DSOR:
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16749
FIIG:
A212A0
Concept No.:
App. Key:
AR
Cond. Code:
1
Status:
A
Material and Special Handling
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
---
CRITL:
X
Hazmat (HMIC): N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals (PMIC): A
Item does not contain precious metal.
Criticality (CRITL): X
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Packaging and Dimensions
Package Size
Package Weight
Part Weight
Part Dimensions (approx.)
Pack Size:
--
Pack Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
XX
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
00
LVL A:
E
LVL B:
Q
LVL C:
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
XX
MOP:
42
CATEG.:
27A0
PRESS MAT:
XX
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
XX
ICQ:
XXX
THK:
X
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):E
Packing shall be accomplished to meet the performance test requirements of astm-d4169, distribution cycle 18, assurance level 1.
LVL B Code (LVL_B): Q
Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.
Procedure Indicator Code (OPI): M
All packaging data is mandatory for compliance and no substitutions are permitted. fast packs should be included in this category.
Special Markings Code (SPC MKG): 00
No special marking.
Method of Preservation (MOP): 42
Container, watervaporproof bag, sealed, container.
Cushion Material (CUSH): XX
Preservation Material (PRESS MAT): XX