PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27549Screw,cap,hexagon Head

Bae Systems Advanced Technologies Inc Dba Bae Systems at · NSN 5305-01-580-4271 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-580-4271 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-580-4271. Primary manufacturer part number: 27549.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Pitch in Millimeters: 1.7
  • Fastener Length: 75.0 MILLIMETERS NOMINAL MM
  • Nominal Thread Diameter: 12.0 MILLIMETERS MM
  • Thread Series Designator: M
  • Material: STEEL OVERALL
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
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 5305-01-580-4271, 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 8 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-580-4271
Primary Part Number27549
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
Fastener Length75.0 MILLIMETERS NOMINAL MM
Nominal Thread Diameter12.0 MILLIMETERS MM
Thread Series DesignatorM
MaterialSTEEL OVERALL
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Length75.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-196-443627-549 INTERCHANGEABLE
Disk,solid,plain
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
1730-00-499-5427 INTERCHANGEABLE
Follower Cam,sprayi
5315-00-597-34882549 INTERCHANGEABLE
Pin,straight,headless
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-678-443127549 INTERCHANGEABLE
Gasket
Briggs and Stratton Corp
4330-01-233-241127549 INTERCHANGEABLE
Filter,fluid
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
5305-01-548-472927549 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
27549 Bae Systems Advanced Technologies Inc Dba Bae Systems at (USA)
Related Parts
5340-00-196-4436INTERCHANGEABLE
DISK,SOLID,PLAIN
27-549
1730-00-499-5427INTERCHANGEABLE
FOLLOWER CAM,SPRAYI
5315-00-597-3488INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2549
5330-00-678-4431INTERCHANGEABLE
GASKET
27549
4330-01-233-2411INTERCHANGEABLE
FILTER,FLUID
27549
5305-01-548-4729INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
27549

Frequently Asked Questions

What is NSN 5305-01-580-4271?

NSN 5305-01-580-4271 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 5305-01-580-4271?

NSN 5305-01-580-4271 has 1 cross-referenced part number: 27549 (Bae Systems Advanced Technologies Inc Dba Bae Systems at).

What NSN replaces 5305-01-580-4271?

There are 6 known substitutes for 5305-01-580-4271: 5340-00-196-4436, 1730-00-499-5427, 5315-00-597-3488 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27549?

Key specifications for 27549: Thread Pitch in Millimeters: 1.7; Fastener Length: 75.0 MILLIMETERS NOMINAL MM; Nominal Thread Diameter: 12.0 MILLIMETERS MM; Thread Series Designator: M. 10 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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