PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27539Screw,cap,hexagon Head

Bae Systems Advanced Technologies Inc Dba Bae Systems at · NSN 5305-01-580-7591 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-580-7591 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-580-7591. Primary manufacturer part number: 27539.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Pitch in Millimeters: 1.7
  • Thread Direction: RIGHT-HAND
  • Head Style: HEXAGON
  • Thread Series Designator: M
  • Material: STEEL OVERALL
  • Nominal Thread Diameter: 12.0 MILLIMETERS MM
  • Fastener Length: 30.0 MILLIMETERS NOMINAL MM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-580-7591, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Advanced Technologies Inc Dba Bae Systems at. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-580-7591
Primary Part Number27539
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBae Systems Advanced Technologies Inc Dba Bae Systems at
StatusACTIVE
Thread Pitch in Millimeters1.7
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Thread Series DesignatorM
MaterialSTEEL OVERALL
Nominal Thread Diameter12.0 MILLIMETERS MM
Fastener Length30.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-270-216827539 INTERCHANGEABLE
Washer,flat
Komatsu America Corporation
2910-00-364-4974 INTERCHANGEABLE
Valve
5330-01-024-9691 INTERCHANGEABLE
Gasket
4140-01-248-260627539 INTERCHANGEABLE
Fan Assembly
Paxton Products Inc
5305-01-548-471629927 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
27539 Bae Systems Advanced Technologies Inc Dba Bae Systems at (USA)
Related Parts
5310-00-270-2168INTERCHANGEABLE
WASHER,FLAT
27539
2910-00-364-4974INTERCHANGEABLE
VALVE
5330-01-024-9691INTERCHANGEABLE
GASKET
4140-01-248-2606INTERCHANGEABLE
FAN ASSEMBLY
27539
5305-01-548-4716INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
29927

Frequently Asked Questions

What is NSN 5305-01-580-7591?

NSN 5305-01-580-7591 is a Screw,cap,hexagon Head, manufactured by Bae Systems Advanced Technologies Inc Dba Bae Systems at, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-580-7591?

NSN 5305-01-580-7591 has 1 cross-referenced part number: 27539 (Bae Systems Advanced Technologies Inc Dba Bae Systems at).

What NSN replaces 5305-01-580-7591?

There are 5 known substitutes for 5305-01-580-7591: 5310-00-270-2168, 2910-00-364-4974, 5330-01-024-9691 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27539?

Key specifications for 27539: Thread Pitch in Millimeters: 1.7; Thread Direction: RIGHT-HAND; Head Style: HEXAGON; Thread Series Designator: M. 9 total characteristics are documented in the Federal Logistics Information System.

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