PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3237-5Screw,cap,socket Head

Hercules Inc Aerospace Div Bacchus Works · NSN 5305-00-995-4098 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-995-4098 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-995-4098. Primary manufacturer part number: 3237-5.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Head Style: FLAT CHAMFER
  • Thread Class: 2A A
  • Surface Treatment: ANODIZE OVERALL
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.880 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 7075 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-995-4098, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hercules Inc Aerospace Div Bacchus Works. Government technical data includes 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-995-4098
Primary Part Number3237-5
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHercules Inc Aerospace Div Bacchus Works
StatusACTIVE
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Head StyleFLAT CHAMFER
Thread Class2A A
Surface TreatmentANODIZE OVERALL
Thread Quantity Per Inch32
Thread Length0.880 INCHES MINIMUM IN
MaterialALUMINUM ALLOY 7075 OVERALL
Head Diameter0.310 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Fastener Length3.630 INCHES NOMINAL IN
Width Across Flats0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Minimum Yield Strength66000 POUNDS PER SQUARE INCH LBS
Head Height0.190 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-354-4382160027 INTERCHANGEABLE
Bearing,sleeve
Dresser, Llc
5325-00-803-9981 INTERCHANGEABLE
Ring,retaining
5330-00-953-4454455304 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5855-01-526-130232375 INTERCHANGEABLE
Thermal Control Unit
L-3 Communications Wescam Dba Wescam
Cross-Reference Index
Part NumberManufacturer
3237-5 Hercules Inc Aerospace Div Bacchus Works (USA)
Related Parts
3120-00-354-4382INTERCHANGEABLE
BEARING,SLEEVE
160027
5325-00-803-9981INTERCHANGEABLE
RING,RETAINING
5330-00-953-4454INTERCHANGEABLE
SEAL,PLAIN ENCASED
455304
5855-01-526-1302INTERCHANGEABLE
THERMAL CONTROL UNIT
32375

Frequently Asked Questions

What is NSN 5305-00-995-4098?

NSN 5305-00-995-4098 is a Screw,cap,socket Head, manufactured by Hercules Inc Aerospace Div Bacchus Works, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-995-4098?

NSN 5305-00-995-4098 has 1 cross-referenced part number: 3237-5 (Hercules Inc Aerospace Div Bacchus Works).

What NSN replaces 5305-00-995-4098?

There are 4 known substitutes for 5305-00-995-4098: 3120-00-354-4382, 5325-00-803-9981, 5330-00-953-4454 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3237-5?

Key specifications for 3237-5: Thread Series Designator: UNF; Thread Direction: RIGHT-HAND; Head Style: FLAT CHAMFER; Thread Class: 2A A. 15 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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