NSN 5305-01-641-6066 · NIIN 016416066 · Part number 782-7666263 ITEM 64
Naval Sea Systems Command · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5305-01-641-6066 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-641-6066. Manufacturer of record part number: 782-7666263 ITEM 64.
Material Document and Classification: J2295, TY-S NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.375 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Thread Class: 3A A
Thread Quantity Per Inch: 16
Identification
NSN: 5305-01-641-6066
NIIN: 016416066
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 782-7666263 ITEM 64
Manufacturer: Naval Sea Systems Command
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-641-6066, 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 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
5305-01-641-6066
Primary Part Number
782-7666263 ITEM 64
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Fastener Length
1.000 INCHES NOMINAL IN
Material Document and Classification
J2295, TY-S NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter
0.375 INCHES IN
Head Style
HEXAGON
Thread Direction
RIGHT-HAND
Thread Class
3A A
Thread Quantity Per Inch
16
Material
STEEL OVERALL
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-641-7037J2484CCSF4-12CPOSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)Sae International Dba Sae International
5315-01-644-2061782-7666263 ITEM 4POSSIBLE MATCH
KEY,MACHINE
Possible match (shared part number)Naval Sea Systems Command
5315-01-644-2063782-7666263 ITEM 6POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Naval Sea Systems Command
5315-01-644-2070782-7666263 ITEM 3POSSIBLE MATCH
KEY,MACHINE
Possible match (shared part number)Naval Sea Systems Command
5340-01-648-2304782-7666263 ITEM 60POSSIBLE MATCH
ROD,STRAIGHT,HEADLESS
Possible match (shared part number)Naval Sea Systems Command
5310-01-648-3982782-7666263 ITEM 67POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5306-01-648-4073782-7666263 ITEM 115POSSIBLE MATCH
BOLT,SHOULDER
Possible match (shared part number)Naval Sea Systems Command
5342-01-648-4488782-7666263 ITEM 110POSSIBLE MATCH
DOG,DOOR-HATCH
Possible match (shared part number)Naval Sea Systems Command
NSN 5305-01-641-6066 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 5305-01-641-6066?
NSN 5305-01-641-6066 has 4 manufacturer part numbers on file: 782-7666263 ITEM 64 (Naval Sea Systems Command), 295A574C3S06-N16 (Sae International Dba Sae International), 782-7666263 ITEM 33 (Naval Sea Systems Command), 782-7666766 AY94,ITEM 64 (Naval Sea Systems Command).
What NSN replaces 5305-01-641-6066?
8 possible matches (shared part number, not a government interchangeability claim): 5305-01-641-7037, 5315-01-644-2061, 5315-01-644-2063. Verify interchangeability with system specifications before substitution.
What are the specifications of 782-7666263 ITEM 64?
Key specifications for 782-7666263 ITEM 64: Fastener Length: 1.000 INCHES NOMINAL IN; Material Document and Classification: J2295, TY-S NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: HEXAGON. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-641-6066 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.