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NSN 5305-01-623-0133Government record, cited
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Screw, Cap, Socket Head5305-01-623-0133

NSN 5305-01-623-0133 · NIIN 016230133
FSC 5305 — Screws · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as  5305-01-623-0133 · 5305016230133 · NIIN 016230133 · 01-623-0133 · FSC 5305 Screws · NAS1351 · NAS1351-03-8P
Nearby stock numbers  ·
L 0.500 INCHES NOMINAL IN ⌀0.990 INCHES IN UNRF BOLT/SCREW PROFILE
5305-01-623-0133 — Screws
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.990 INCHES IN
  • Surface Treatment: CADMIUM OVERALL
  • Thread Class: 3A A
  • Thread Quantity Per Inch: 56
  • Material: STEEL OVERALL
  • Thread Series Designator: UNRF
Identification
  • NSN: 5305-01-623-0133
  • NIIN: 016230133
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-623-0133, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-623-0133
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
StatusACTIVE
Fastener Length0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.990 INCHES IN
Surface TreatmentCADMIUM OVERALL
Thread Class3A A
Thread Quantity Per Inch56
MaterialSTEEL OVERALL
Thread Series DesignatorUNRF
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-671-0016NAS1351C4LB28 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-671-1052NAS1351C6LB12 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-671-1054NAS1351C6LB16 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-733-6362NAS1351N12-88G POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-733-6392NAS1351N5H14G POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-734-1693NAS1351-4LE8 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-734-3465NAS1351N06-16 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
NAS1351 5/1 Secondary reference
U.S. Government activity
NAS1351-03-8P 3/2 Design control — primary reference
U.S. Government activity
Related Parts
5305-01-671-0016POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351C4LB28
5305-01-671-1052POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351C6LB12
5305-01-671-1054POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351C6LB16
5305-01-733-6362POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351N12-88G
5305-01-733-6392POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351N5H14G
5305-01-734-1693POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351-4LE8
5305-01-734-3465POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NAS1351N06-16

Frequently Asked Questions

What is NSN 5305-01-623-0133?

NSN 5305-01-623-0133 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.

What NSN replaces 5305-01-623-0133?

7 possible matches (shared part number, not a government interchangeability claim): 5305-01-671-0016, 5305-01-671-1052, 5305-01-671-1054. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305-01-623-0133?

Key specifications for 5305-01-623-0133: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.990 INCHES IN; Surface Treatment: CADMIUM OVERALL; Part Name Assigned by Controlling Agency: SCREW, CAP, SOCKET HEAD. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-623-0133 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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