NSN 5305-01-451-2802 · NIIN 014512802 · Part number 5614414-3
Naval Sea Systems Command · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5305-01-451-2802 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-451-2802. Manufacturer of record part number: 5614414-3.
Width Across Flats: 0.937 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN
Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Fastener Length: 0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Length: 0.094 INCHES MINIMUM IN
Nominal Thread Diameter: 0.112 INCHES IN
Identification
NSN: 5305-01-451-2802
NIIN: 014512802
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 5614414-3
Manufacturer: Naval Sea Systems Command
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-451-2802, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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
5305-01-451-2802
Primary Part Number
5614414-3
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
125.0 MICROINCHES OVERALL
Width Across Flats
0.937 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN
Head Height
0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Fastener Length
0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Surface Treatment Document and Classification
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Length
0.094 INCHES MINIMUM IN
Nominal Thread Diameter
0.112 INCHES IN
Head Style
FLAT CHAMFER
Thread Direction
RIGHT-HAND
Surface Treatment
PASSIVATE OVERALL
Internal Drive Style
HEXAGON
Thread Class
3A A
Thread Quantity Per Inch
40
Material
STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP XM-7 OVERALL
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Head Diameter
0.176 INCHES MINIMUM AND 0.183 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
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4220-01-567-8921900007POSSIBLE MATCH
PARTS KIT,REGULATOR BREATHING GA
Possible match (shared part number)Aqualung Usa, Inc
5120-01-571-1906900007POSSIBLE MATCH
CRIMPING TOOL,TERMINAL,HAND
Possible match (shared part number)Sentinel Holding, Inc
5998-01-629-2235900007POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Scientific Research Corporation Dba Scientific Research Corp
3010-01-645-970612446432-2POSSIBLE MATCH
THRUST PLATE,TRANSMISSION GEAR
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
NSN 5305-01-451-2802 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-451-2802?
NSN 5305-01-451-2802 has 2 manufacturer part numbers on file: 900007 (L3 Technologies, Inc. Div L3 Keo), 5614414-3 (Naval Sea Systems Command).
What NSN replaces 5305-01-451-2802?
4 possible matches (shared part number, not a government interchangeability claim): 4220-01-567-8921, 5120-01-571-1906, 5998-01-629-2235. Verify interchangeability with system specifications before substitution.
What are the specifications of 5614414-3?
Key specifications for 5614414-3: Surface Finish: 125.0 MICROINCHES OVERALL; Width Across Flats: 0.937 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN; Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. 16 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-451-2802 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.