PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS662C0-4Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-818-1895 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-818-1895 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-818-1895. Primary manufacturer part number: NAS662C0-4.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
  • Internal Drive Style: SLOT
  • Nominal Thread Diameter: 0.060 INCHES IN
  • Thread Quantity Per Inch: 80
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-818-1895, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-818-1895
Primary Part NumberNAS662C0-4
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread DirectionRIGHT-HAND
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Internal Drive StyleSLOT
Nominal Thread Diameter0.060 INCHES IN
Thread Quantity Per Inch80
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Fastener Length0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Screw Material Document and ClassificationMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR MIL-S-7720 FED SPEC 4TH MATERIAL RESPONSE
Thread Length0.250 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Screw MaterialSTEEL COMP 302 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 303
Screw Surface TreatmentPASSIVATE
Head Diameter0.105 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
Thread Class2A A
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4730-00-277-538691453 INTERCHANGEABLE
Plug,pipe
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5935-00-805-4836A3M INTERCHANGEABLE
Connector,plug,electrical
Switchcraft Inc.
Cross-Reference Index
Part NumberManufacturer
PBF1068-3C Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA)
E125-3 Huck International, Inc (USA)
AOL4168-3 All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners (USA)
E125-3 Huck Intl Inc (USA)
AIC813-00-4 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
106751-00-3C Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
NAS662-0-4 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS662C0-4 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
965813-3C Raytheon Company Dba Raytheon (USA)
FF-S-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9145-3 First American Sales Co Inc (USA)
10114585 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
4730-00-277-5386INTERCHANGEABLE
PLUG,PIPE
91453
5935-00-805-4836INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
A3M

Frequently Asked Questions

What is NSN 5305-00-818-1895?

NSN 5305-00-818-1895 is a Screw,machine, 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: cancelled.

What are the part numbers for NSN 5305-00-818-1895?

NSN 5305-00-818-1895 has 12 cross-referenced part numbers: PBF1068-3C (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), E125-3 (Huck International, Inc), AOL4168-3 (All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners), E125-3 (Huck Intl Inc), AIC813-00-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.

What NSN replaces 5305-00-818-1895?

There are 2 known substitutes for 5305-00-818-1895: 4730-00-277-5386, 5935-00-805-4836. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS662C0-4?

Key specifications for NAS662C0-4: Thread Direction: RIGHT-HAND; Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM; Internal Drive Style: SLOT; Nominal Thread Diameter: 0.060 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-818-1895 still in active supply?

NSN 5305-00-818-1895 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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