PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56977Setscrew

Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc · NSN 5305-00-979-7806 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-979-7806 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-979-7806. Primary manufacturer part number: 56977.
Features
  • Setscrew — FSC 5305
  • Point Length: 0.531 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Point Chamfer Angle: 30.0 DEGREES NOMINAL
  • Point Style: CONE
  • Thread Class: 2A A
  • Thread Length: 0.500 INCHES MINIMUM IN
  • Fastener Length: 1.031 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Setscrew, cataloged under National Stock Number 5305-00-979-7806, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-979-7806
Primary Part Number56977
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAssociated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc
StatusCANCELLED
Point Length0.531 INCHES NOMINAL IN
Internal Drive StyleSLOT
Point Chamfer Angle30.0 DEGREES NOMINAL
Point StyleCONE
Thread Class2A A
Thread Length0.500 INCHES MINIMUM IN
Fastener Length1.031 INCHES NOMINAL IN
Point Diameter0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2805-00-812-034557815 INTERCHANGEABLE
Strap,seal
Mcculloch Corp
4730-01-200-916157815 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
6750-01-226-8098 INTERCHANGEABLE
Paper,photographic
1420-01-606-922157815 INTERCHANGEABLE
Anlasskartusche
Williams International Co., L.l.c.
5330-01-664-833556-977 INTERCHANGEABLE
Seal,plain
Bfgoodrich-Messier Inc
Cross-Reference Index
Part NumberManufacturer
56977 Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)
56977 Drs Sustainment Systems, Inc. (USA)
57815 Raytheon Company Dba Raytheon (USA)
57815-1 Raytheon Company Dba Raytheon (USA)
56977 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
2805-00-812-0345INTERCHANGEABLE
STRAP,SEAL
57815
4730-01-200-9161INTERCHANGEABLE
TRAP,STEAM
57815
6750-01-226-8098INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
1420-01-606-9221INTERCHANGEABLE
ANLASSKARTUSCHE
57815
5330-01-664-8335INTERCHANGEABLE
SEAL,PLAIN
56-977

Frequently Asked Questions

What is NSN 5305-00-979-7806?

NSN 5305-00-979-7806 is a Setscrew, manufactured by Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-979-7806?

NSN 5305-00-979-7806 has 5 cross-referenced part numbers: 56977 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 56977 (Drs Sustainment Systems, Inc.), 57815 (Raytheon Company Dba Raytheon), 57815-1 (Raytheon Company Dba Raytheon), 56977 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 5305-00-979-7806?

There are 5 known substitutes for 5305-00-979-7806: 2805-00-812-0345, 4730-01-200-9161, 6750-01-226-8098 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56977?

Key specifications for 56977: Point Length: 0.531 INCHES NOMINAL IN; Internal Drive Style: SLOT; Special Features: POINT TO HAVE A 16 MICROINCH FINISH; Point Chamfer Angle: 30.0 DEGREES NOMINAL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-979-7806 still in active supply?

NSN 5305-00-979-7806 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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