PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8663Nut,plain,round

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5310-01-056-2173 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-056-2173 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-056-2173. Primary manufacturer part number: 8663.
Features
  • Nut,plain,round — FSC 5310
  • Nominal Thread Size: 0.112 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Material: PLASTIC PHENOLIC OVERALL
  • Nut Thickness: 0.312 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Nut Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Phenolic Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-01-056-2173, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-056-2173
Primary Part Number8663
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
Nominal Thread Size0.112 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
MaterialPLASTIC PHENOLIC OVERALL
Nut Thickness0.312 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut StyleROUND
Thread Class2B
Nut Diameter0.250 INCHES NOMINAL IN
Material Document and ClassificationMIL-P-79A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-270-3890 INTERCHANGEABLE
Nut,slip Joint
2910-00-374-3556 INTERCHANGEABLE
Pump,fuel,cam Actuated
1620-00-445-2581 INTERCHANGEABLE
Check Valve Assy
6145-00-865-20588663 INTERCHANGEABLE
Braid,wire
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4730-01-218-0395 INTERCHANGEABLE
Bushing,pipe
7510-01-326-15678663 MB 2 IN (CUSTOM ORDER) INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
7510-01-326-15688663 MB-SS 4X36 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
9330-01-326-18218663 MB-SS 8X36 INTERCHANGEABLE
Plastic Sheet,pressure Sensitive
3m Company
5340-01-355-0703312804-H-200-SL INTERCHANGEABLE
Clamp,loop
Voss Industries, Llc
9390-01-413-27307010295384 INTERCHANGEABLE
Tape,protective,plastic
3m Company
Cross-Reference Index
Part NumberManufacturer
8663 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
8663 Dialight Corporation (USA)
Related Parts
4730-00-270-3890INTERCHANGEABLE
NUT,SLIP JOINT
2910-00-374-3556INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
1620-00-445-2581INTERCHANGEABLE
CHECK VALVE ASSY
6145-00-865-2058INTERCHANGEABLE
BRAID,WIRE
8663
4730-01-218-0395INTERCHANGEABLE
BUSHING,PIPE
7510-01-326-1567INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
8663 MB 2 IN (CUSTOM ORDER)
7510-01-326-1568INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
8663 MB-SS 4X36
9330-01-326-1821INTERCHANGEABLE
PLASTIC SHEET,PRESSURE SENSITIVE
8663 MB-SS 8X36
5340-01-355-0703INTERCHANGEABLE
CLAMP,LOOP
312804-H-200-SL
9390-01-413-2730INTERCHANGEABLE
TAPE,PROTECTIVE,PLASTIC
7010295384
6240-01-500-4801INTERCHANGEABLE
LAMP,INCANDESCENT
8663
7510-01-509-7514INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
8663-6

Frequently Asked Questions

What is NSN 5310-01-056-2173?

NSN 5310-01-056-2173 is a Nut,plain,round, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-056-2173?

NSN 5310-01-056-2173 has 2 cross-referenced part numbers: 8663 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 8663 (Dialight Corporation).

What NSN replaces 5310-01-056-2173?

There are 12 known substitutes for 5310-01-056-2173: 4730-00-270-3890, 2910-00-374-3556, 1620-00-445-2581 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8663?

Key specifications for 8663: Nominal Thread Size: 0.112 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40; Material: PLASTIC PHENOLIC OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com