Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Identification
NSN: 5305-01-658-8178
NIIN: 016588178
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-658-8178, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
Parameter
Value
NSN
5305-01-658-8178
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Criticality Code Justification
ZZZW
Departure From Cited Document
MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
S
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-658-8182POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)
5305-01-658-8192POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)
5305-01-658-8401POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)
5305-01-658-8533POSSIBLE MATCH
CAP SCREW SOCKET
Possible match (shared part number)
5305-01-658-8562POSSIBLE MATCH
CAP SCREW SOCKET
Possible match (shared part number)
5305-01-660-5369POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)
5305-01-733-5478POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M1222TYIIGR500
4/1Identification reference
U.S. Government activity
0.750-10UNRC-3AX2.875LG NICUAL
4/1Identification reference
U.S. Government activity
0.750-10UNRC-3AX2.875LG NICUALL1
5/1Secondary reference
Naval Inventory Control Point Mechanicsburg
M1222TYIIGR500L1
5/1Secondary reference
Naval Inventory Control Point Mechanicsburg
Related Parts
5305-01-658-8182POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
5305-01-658-8192POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
5305-01-658-8401POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
5305-01-658-8533POSSIBLE MATCH
CAP SCREW SOCKET
5305-01-658-8562POSSIBLE MATCH
CAP SCREW SOCKET
5305-01-660-5369POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
5305-01-733-5478POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Frequently Asked Questions
What is NSN 5305-01-658-8178?
NSN 5305-01-658-8178 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
What NSN replaces 5305-01-658-8178?
7 possible matches (shared part number, not a government interchangeability claim): 5305-01-658-8182, 5305-01-658-8192, 5305-01-658-8401. Verify interchangeability with system specifications before substitution.
What are the specifications of 5305-01-658-8178?
Key specifications for 5305-01-658-8178: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Part Name Assigned by Controlling Agency: CAP,SCREW SOCKET HEAD. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-658-8178 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.