PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53951Screw,externally Relieved Body

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5305-00-020-7343 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-020-7343 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-020-7343. Primary manufacturer part number: 53951.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Head Style: KNURLED NO. 1
  • Surface Treatment: OXIDE OVERALL
  • Surface Treatment Document and Classification: MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Internal Drive Style: SLOT
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-020-7343, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 4 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
NSN5305-00-020-7343
Primary Part Number53951
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Head StyleKNURLED NO. 1
Surface TreatmentOXIDE OVERALL
Surface Treatment Document and ClassificationMIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-533-67831664327 INTERCHANGEABLE
Roller,bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
1420-00-622-7204 INTERCHANGEABLE
Clip,recorder Set
5935-00-818-95675395-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5310-00-834-870613213E5395-1 INTERCHANGEABLE
Washer,shouldered
Cecom Lr Center
1560-01-206-655853951 INTERCHANGEABLE
Lock
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
3120-01-656-06215395 INTERCHANGEABLE
Bearing,sleeve
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
53951 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3110-00-533-6783INTERCHANGEABLE
ROLLER,BEARING
1664327
1420-00-622-7204INTERCHANGEABLE
CLIP,RECORDER SET
5935-00-818-9567INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5395-1
5310-00-834-8706INTERCHANGEABLE
WASHER,SHOULDERED
13213E5395-1
1560-01-206-6558INTERCHANGEABLE
LOCK
53951
3120-01-656-0621INTERCHANGEABLE
BEARING,SLEEVE
5395

Frequently Asked Questions

What is NSN 5305-00-020-7343?

NSN 5305-00-020-7343 is a Screw,externally Relieved Body, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-020-7343?

NSN 5305-00-020-7343 has 1 cross-referenced part number: 53951 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5305-00-020-7343?

There are 6 known substitutes for 5305-00-020-7343: 3110-00-533-6783, 1420-00-622-7204, 5935-00-818-9567 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53951?

Key specifications for 53951: Head Style: KNURLED NO. 1; Surface Treatment: OXIDE OVERALL; Surface Treatment Document and Classification: MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Drive Style: SLOT. 4 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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