Also searched as5305-01-249-4181 ·
5305012494181 ·
NIIN 012494181 ·
01-249-4181 ·
FSC 5305 Screws
Nearby stock numbers← 5305-01-249-4180 Screw, Cap, Socket Head
·
5305-01-249-4182 Screw, Cap, Hexagon Head →
5305-01-249-4181 — Screws
Features
Screw,cap,socket Head — FSC 5305
Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Length: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Criticality Code Justification: ZZZY
Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS
Head Diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Identification
NSN: 5305-01-249-4181
NIIN: 012494181
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-249-4181, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-249-4181
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Head Height
0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Length
0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Criticality Code Justification
ZZZY
Reference Number Differentiating Characteristics
AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS
Head Diameter
0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
Y
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
D-73539-86
3/1Design control — primary reference
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-249-4181?
NSN 5305-01-249-4181 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
What are the specifications of 5305-01-249-4181?
Key specifications for 5305-01-249-4181: Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Thread Length: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: SCREW,CAP,SOCKET HEAD. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-249-4181 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.