PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

585-6406777-131Screw,cap,socket Head

Naval Sea Systems Command · NSN 5305-01-327-0910 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-327-0910 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-327-0910. Primary manufacturer part number: 585-6406777-131.
Features
  • Screw,cap,socket Head — FSC 5305
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Thread Length: 1.391 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
  • Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Fastener Length: 1.750 INCHES NOMINAL IN
  • Internal Drive Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 400 or Nickel Alloy R-405 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-327-0910, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-327-0910
Primary Part Number585-6406777-131
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Length1.391 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
Fastener Length1.750 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Nondefinitive Spec/std Data4 TYPE
Thread Quantity Per Inch16
Thread Class3A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Across Flats0.219 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head Diameter0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4030-00-740-9019 INTERCHANGEABLE
Hook,chain,s
5305-01-321-8463 INTERCHANGEABLE
Screw,machine
6130-01-530-31297409019 INTERCHANGEABLE
Power Supply,uninterruptible
Naval Sea Systems Command
5305-01-642-390274090-19 INTERCHANGEABLE
Screw,cap,socket Head
American Metal Bearing Co Dba Amb Engineering & Machining Solutions
Cross-Reference Index
Part NumberManufacturer
585-6406777-131 PRIMARY Naval Sea Systems Command (USA)
122-6600341 PC 73 Naval Sea Systems Command (USA)
0.37516UNRC3AX1.750L American National Standards Institute Incorporated Dba American National Standards Institute (USA)
3/8-16UNC-3A X 1 3/4 IN. LG American National Standards Institute Incorporated Dba American National Standards Institute (USA)
FFS86TYIV3/8-16UNRC-3AX13/4LSLFL Federal Specifications Promulgated by General Services Administration Washington DC (USA)
0.375-16UNC-3AX1.750 IN. LG NICU American National Standards Institute Incorporated Dba American National Standards Institute (USA)
FFS86TY-IV.375- 16UNC-3AX1.750I Zf Industrieantriebe Witten Gmbh (DEU)
122-660340 PC 65 Naval Sea Systems Command (USA)
FF-S-86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FFS86TY-IV .375 -16UNRC-3AX1.75 Zf Industrieantriebe Witten Gmbh (DEU)
74090-19 American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA)
FFS86TY-IV.375-16YNC-3AX1.750IN. American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4030-00-740-9019INTERCHANGEABLE
HOOK,CHAIN,S
5305-01-321-8463INTERCHANGEABLE
SCREW,MACHINE
6130-01-530-3129INTERCHANGEABLE
POWER SUPPLY,UNINTERRUPTIBLE
7409019
5305-01-642-3902INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
74090-19

Frequently Asked Questions

What is NSN 5305-01-327-0910?

NSN 5305-01-327-0910 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-01-327-0910?

NSN 5305-01-327-0910 has 12 cross-referenced part numbers: 585-6406777-131 (Naval Sea Systems Command), 122-6600341 PC 73 (Naval Sea Systems Command), 0.37516UNRC3AX1.750L (American National Standards Institute Incorporated Dba American National Standards Institute), 3/8-16UNC-3A X 1 3/4 IN. LG (American National Standards Institute Incorporated Dba American National Standards Institute), FFS86TYIV3/8-16UNRC-3AX13/4LSLFL (Federal Specifications Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5305-01-327-0910?

There are 4 known substitutes for 5305-01-327-0910: 4030-00-740-9019, 5305-01-321-8463, 6130-01-530-3129 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 585-6406777-131?

Key specifications for 585-6406777-131: Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM; Thread Length: 1.391 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN; Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-327-0910 still in active supply?

NSN 5305-01-327-0910 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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