PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AIC985-3-6Screw,close Tolerance

Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company · NSN 5305-01-054-6261 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-054-6261 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-054-6261. Primary manufacturer part number: AIC985-3-6.
Features
  • Screw,close Tolerance — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
  • Thread Class: 3A A
  • Material: STEEL COMP H11 OVERALL
  • Internal Drive Style: OFFSET CRUCIFORM (TORQUE SET)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp H11 Overall construction
General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-01-054-6261, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-054-6261
Primary Part NumberAIC985-3-6
Item NameScrew,close Tolerance
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba Air Industries Company Div Air Industries Company
StatusACTIVE
Thread DirectionRIGHT-HAND
Hardness Rating46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread Class3A A
MaterialSTEEL COMP H11 OVERALL
Internal Drive StyleOFFSET CRUCIFORM (TORQUE SET)
Fastener Length0.723 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Head Diameter0.258 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength220000 POUNDS PER SQUARE INCH LBS
Head StyleFLAT COUNTERSUNK
Grip Diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Grip Length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thread Length0.338 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4310-00-569-4109H16-536 INTERCHANGEABLE
Ring,piston
Dresser Industries Inc Leroi Div
Cross-Reference Index
Part NumberManufacturer
AIC985-3-6 PRIMARY Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
C7985-3-6 PRIMARY Howmet Global Fastening Systems Inc (USA)
H185-3-6 PRIMARY Huck International, Inc (USA)
AIC985-3-6P Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
C7985-3-6 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
PBF1166-3-6 Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA)
VT1694F3-6 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
C7985-3-6 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
C7985-3-6 PRIMARY Huck International, Inc (USA)
5305PL0759608 Jednolity Indeks Materialowy - Uniform Material Index (POL)
121558-3-A6P Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
C7985-3-6 PRIMARY Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
C7985-3-6 PRIMARY Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
C7985-3-6 PRIMARY Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA)
Related Parts
4310-00-569-4109INTERCHANGEABLE
RING,PISTON
H16-536

Frequently Asked Questions

What is NSN 5305-01-054-6261?

NSN 5305-01-054-6261 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-054-6261?

NSN 5305-01-054-6261 has 14 cross-referenced part numbers: AIC985-3-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C7985-3-6 (Howmet Global Fastening Systems Inc), H185-3-6 (Huck International, Inc), AIC985-3-6P (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C7985-3-6 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company) and 9 more.

What NSN replaces 5305-01-054-6261?

There is 1 known substitute for 5305-01-054-6261: 4310-00-569-4109. Verify interchangeability with system specifications before substitution.

What are the specifications of AIC985-3-6?

Key specifications for AIC985-3-6: Thread Direction: RIGHT-HAND; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); 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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