PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82161Setscrew

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5305-00-025-7657 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-025-7657 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-025-7657. Primary manufacturer part number: 82161.
Features
  • Setscrew — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3A A
  • Hardness Rating: 40.0 ROCKWELL C NOMINAL OVERALL
  • Head Style: HEADLESS (SETSCREW)
  • Thread Series Designator: UNF
  • Point Style: DOG
  • Fastener Length: 0.312 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-025-7657, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-025-7657
Primary Part Number82161
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Class3A A
Hardness Rating40.0 ROCKWELL C NOMINAL OVERALL
Head StyleHEADLESS (SETSCREW)
Thread Series DesignatorUNF
Point StyleDOG
Fastener Length0.312 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Internal Drive StyleHEXAGON
Thread Quantity Per Inch32
Thread Length0.222 INCHES MINIMUM IN
Point Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Width Across Flats0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Point Length0.090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2530-00-278-2248 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
3520-00-359-7978 INTERCHANGEABLE
Plunger
5955-01-088-2904SM-A-942087 INTERCHANGEABLE
Crystal Unit,quartz
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2930-01-163-8153159490-3-3 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Honeywell International Inc. Div Aerospace - Torrance
5325-01-460-5611 INTERCHANGEABLE
Ring,retaining
5220-01-525-990182161 INTERCHANGEABLE
Muzzle Break,alingment Guage
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
82161 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
2530-00-278-2248INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
3520-00-359-7978INTERCHANGEABLE
PLUNGER
5955-01-088-2904INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
SM-A-942087
2930-01-163-8153INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
159490-3-3
5325-01-460-5611INTERCHANGEABLE
RING,RETAINING
5220-01-525-9901INTERCHANGEABLE
MUZZLE BREAK,ALINGMENT GUAGE
82161

Frequently Asked Questions

What is NSN 5305-00-025-7657?

NSN 5305-00-025-7657 is a Setscrew, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-025-7657?

NSN 5305-00-025-7657 has 1 cross-referenced part number: 82161 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5305-00-025-7657?

There are 6 known substitutes for 5305-00-025-7657: 2530-00-278-2248, 3520-00-359-7978, 5955-01-088-2904 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82161?

Key specifications for 82161: Thread Direction: RIGHT-HAND; Thread Class: 3A A; Special Features: 2DRILLED HOLES IN THREADED END 0.053 IN DIA IN; Hardness Rating: 40.0 ROCKWELL C NOMINAL OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-025-7657 still in active supply?

NSN 5305-00-025-7657 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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