PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1351-3-6Screw,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-477-4671 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-477-4671 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-477-4671. Primary manufacturer part number: NAS1351-3-6.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Series Designator: UNF
  • Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS
  • Thread Quantity Per Inch: 32
  • Width Across Flats: 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS
  • Head Style: FLAT CHAMFER
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-477-4671, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-477-4671
Primary Part NumberNAS1351-3-6
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Thread Series DesignatorUNF
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch32
Width Across Flats0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Head StyleFLAT CHAMFER
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Length0.297 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Thread Class3A A
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Head Diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Fastener Length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Hardness Rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-014-5852328-0002-00 INTERCHANGEABLE
Setscrew
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5305-00-177-556710505783 INTERCHANGEABLE
Screw,cap,socket Head
General Dynamics Land Systems Canadacorp
3040-01-046-487373650 INTERCHANGEABLE
Shaft,shouldered
L3harris Technologies, Inc Div Space & Airborne Systems
6640-01-111-115873.650.500 INTERCHANGEABLE
Vial,blood Diluting
Sarstedt, Inc
5340-01-381-9671B-97416 INTERCHANGEABLE
Cover,access
Kollmorgen Corp
5340-01-382-001073650 INTERCHANGEABLE
Clip,spring Tension
Textron Lycoming Inc Williamsport Plant
5310-01-410-859897416 INTERCHANGEABLE
Nut,plain,hexagon
Prestolite Electric Inc
6665-01-430-5389 INTERCHANGEABLE
Probe Kit
Cross-Reference Index
Part NumberManufacturer
6300798-3-6 Naval Sea Systems Command (USA)
73650 Zf Industrieantriebe Witten Gmbh (DEU)
5305PL0728693 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10398852 Nimikkeistokeskus Ncb Finland (FIN)
Z111073650 Prestolite Electric Inc (USA)
5305004774671 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
2BE633 Oshkosh Corp (USA)
NAS1351-3-6 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
97416 PRIMARY Prestolite Electric Inc Defense Products Div (USA)
Z111073650 Prestolite Electric Inc (USA)
2BE633 Oshkosh Defense Llc (USA)
Related Parts
5305-00-014-5852INTERCHANGEABLE
SETSCREW
328-0002-00
5305-00-177-5567INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10505783
3040-01-046-4873INTERCHANGEABLE
SHAFT,SHOULDERED
73650
6640-01-111-1158INTERCHANGEABLE
VIAL,BLOOD DILUTING
73.650.500
5340-01-381-9671INTERCHANGEABLE
COVER,ACCESS
B-97416
5340-01-382-0010INTERCHANGEABLE
CLIP,SPRING TENSION
73650
5310-01-410-8598INTERCHANGEABLE
NUT,PLAIN,HEXAGON
97416
6665-01-430-5389INTERCHANGEABLE
PROBE KIT

Frequently Asked Questions

What is NSN 5305-00-477-4671?

NSN 5305-00-477-4671 is a Screw,cap,socket Head, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-477-4671?

NSN 5305-00-477-4671 has 11 cross-referenced part numbers: 6300798-3-6 (Naval Sea Systems Command), 73650 (Zf Industrieantriebe Witten Gmbh), 5305PL0728693 (Jednolity Indeks Materialowy - Uniform Material Index), 10398852 (Nimikkeistokeskus Ncb Finland), Z111073650 (Prestolite Electric Inc) and 6 more.

What NSN replaces 5305-00-477-4671?

There are 8 known substitutes for 5305-00-477-4671: 5305-00-014-5852, 5305-00-177-5567, 3040-01-046-4873 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1351-3-6?

Key specifications for NAS1351-3-6: Thread Series Designator: UNF; Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS; Thread Quantity Per Inch: 32; Width Across Flats: 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN. 18 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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