PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1189-08P4LScrew,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-240-6605 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-240-6605 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-240-6605. Primary manufacturer part number: NAS1189-08P4L.
Features
  • Screw,cap,socket Head — FSC 5305
  • Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS
  • Material Document and Classification: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
  • Thread Class: 3A A
  • Head Style: FLAT COUNTERSUNK
  • Thread Series Designator: UNJC
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp E4340 or Steel Comp 6150 or Steel Comp 8735 or Steel Comp 8740 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-240-6605, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-240-6605
Primary Part NumberNAS1189-08P4L
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
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
Internal Drive StyleCROSS RECESS TYPE 1
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread Class3A A
Head StyleFLAT COUNTERSUNK
Thread Series DesignatorUNJC
Surface Finish32.0 MICROINCHES GRIP
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Fastener Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Head Diameter0.270 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Length0.089 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
Surface Finish32.0 MICROINCHES THREADS
Hardness Rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.164 INCHES IN
MaterialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-063-5288NK515-8R16 INTERCHANGEABLE
Screw,cap,socket Head
Nylok Llc
5305-00-075-3633 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-137-3071MS21262-60 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-184-2667 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-248-592328705N94C12P18A INTERCHANGEABLE
Setscrew
Sps Technologies, Llc Dba PB Fasteners
5305-00-465-5544NASM18063-71 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-584-80121611209PC47 INTERCHANGEABLE
Screw,cap,socket Head
Naval Sea Systems Command
5305-00-793-5594NAS1190E3P7L INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-838-7325 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-948-99135480 INTERCHANGEABLE
Screw,cap,socket Head
Air-Lock, Incorporated
Cross-Reference Index
Part NumberManufacturer
NAS1189-08P4L Air Industries Co Inc (USA)
NAS1189-08P4L Apcom Inc (USA)
NAS1189-08P4L Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA)
NAS1189-08P4L Sps Technologies, Llc Dba PB Fasteners (USA)
NAS1189-08P4L Nd Industries Inc Div Eastern Division (USA)
NAS1189-08P4L Fairchild Fasteners Europe - Vsd Gmbh (DEU)
NAS1189-08P4L Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
NAS498 REV 12 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1189-08P4L Lawrence Engineering and Supply Inc (USA)
NAS1189-08P4L Hi-Shear Corporation (USA)
NAS1189-08P4L Fastener Innovation Technology, Inc. Dba F I T (USA)
NAS1189-08P4L PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1189-08P4L Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
MIL-F-18240E Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NAS1189-08P4L Nor-Cal Supply Co (USA)
NAS1189-08P4L Plastic and Metal Products Corporation (USA)
NAS1189-08P4L Long-Lok Llc (USA)
NAS1189-08P4L Huck International, Inc (USA)
NAS1189-08P4L F and C Sales Inc (USA)
NAS1189-08P4L Huck Intl Inc (USA)
Related Parts
5305-00-063-5288INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NK515-8R16
5305-00-075-3633INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-137-3071INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS21262-60
5305-00-184-2667INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-248-5923INTERCHANGEABLE
SETSCREW
28705N94C12P18A
5305-00-465-5544INTERCHANGEABLE
SETSCREW
NASM18063-71
5305-00-584-8012INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1611209PC47
5305-00-793-5594INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1190E3P7L
5305-00-838-7325INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-948-9913INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5480
5306-01-296-2850INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5305-00-240-6605?

NSN 5305-00-240-6605 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 5305-00-240-6605?

NSN 5305-00-240-6605 has 20 cross-referenced part numbers: NAS1189-08P4L (Air Industries Co Inc), NAS1189-08P4L (Apcom Inc), NAS1189-08P4L (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1189-08P4L (Sps Technologies, Llc Dba PB Fasteners), NAS1189-08P4L (Nd Industries Inc Div Eastern Division) and 15 more.

What NSN replaces 5305-00-240-6605?

There are 11 known substitutes for 5305-00-240-6605: 5305-00-063-5288, 5305-00-075-3633, 5305-00-137-3071 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1189-08P4L?

Key specifications for NAS1189-08P4L: Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS; Material Document and Classification: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL; Internal Drive Style: CROSS RECESS TYPE 1; Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM. 19 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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