PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21926Screw,machine

Astrocom Electronics Inc · NSN 5305-01-077-9714 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-077-9714 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-077-9714. Primary manufacturer part number: 21926.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 40
  • Precious Material: SILVER
  • Fastener Length: 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
  • Screw Surface Treatment: SILVER
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-077-9714, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Astrocom Electronics Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5305-01-077-9714
Primary Part Number21926
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAstrocom Electronics Inc
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Precious MaterialSILVER
Fastener Length0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
Screw Surface TreatmentSILVER
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Nominal Thread Diameter0.112 INCHES IN
Screw Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE
Head StylePAN
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length0.540 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Material Document and ClassificationQQ-B-626 FED SPEC ALL MATERIAL RESPONSES OR QQ-W-321 FED SPEC ALL MATERIAL RESPONSES
Precious Material and LocationOVERALL SILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2520-00-163-247121926 INTERCHANGEABLE
Fork
Komatsu America Corporation
3110-00-191-046015BA INTERCHANGEABLE
Retainer and Rollers,bearing
The Timken Corporation
5915-00-254-1225FA11-664 INTERCHANGEABLE
Filter,radio Frequency Interfere
Ems Development Corporation Dba Ems Development Corp
2910-00-356-130921130 INTERCHANGEABLE
Carburator,elbow
Briggs and Stratton Corp
5340-00-400-00716011-5CC INTERCHANGEABLE
Clip,spring Tension
Te Connectivity Corporation
3120-00-948-049921926 INTERCHANGEABLE
Bushing,sleeve
Hamilton Sundstrand Corporation Dba Collins Aerospace
5930-01-123-9509721857-39 INTERCHANGEABLE
Switch,thermostatic
Raytheon Company Div Rmd Strategic
3120-01-127-367721926 INTERCHANGEABLE
Bearing,washer,thrust
Westerbeke Corporation
4730-01-224-731021926 INTERCHANGEABLE
Nipple,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4730-01-438-091011721 INTERCHANGEABLE
Adapter,straight,tube to Hose
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
21926 PRIMARY Astrocom Electronics Inc (USA)
21926 Federal Screw Products, Inc. (USA)
755017A8243-2 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
21027A Federal Screw Products, Inc. (USA)
Related Parts
2520-00-163-2471INTERCHANGEABLE
FORK
21926
3110-00-191-0460INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
15BA
5915-00-254-1225INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
FA11-664
2910-00-356-1309INTERCHANGEABLE
CARBURATOR,ELBOW
21130
5340-00-400-0071INTERCHANGEABLE
CLIP,SPRING TENSION
6011-5CC
3120-00-948-0499INTERCHANGEABLE
BUSHING,SLEEVE
21926
5930-01-123-9509INTERCHANGEABLE
SWITCH,THERMOSTATIC
721857-39
3120-01-127-3677INTERCHANGEABLE
BEARING,WASHER,THRUST
21926
4730-01-224-7310INTERCHANGEABLE
NIPPLE,PIPE
21926
4730-01-438-0910INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
11721
6515-01-540-1599INTERCHANGEABLE
TUBE,DRAW WASTE
21926

Frequently Asked Questions

What is NSN 5305-01-077-9714?

NSN 5305-01-077-9714 is a Screw,machine, manufactured by Astrocom Electronics Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-077-9714?

NSN 5305-01-077-9714 has 4 cross-referenced part numbers: 21926 (Astrocom Electronics Inc), 21926 (Federal Screw Products, Inc.), 755017A8243-2 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), 21027A (Federal Screw Products, Inc.).

What NSN replaces 5305-01-077-9714?

There are 11 known substitutes for 5305-01-077-9714: 2520-00-163-2471, 3110-00-191-0460, 5915-00-254-1225 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21926?

Key specifications for 21926: Internal Drive Style: CROSS RECESS TYPE 1; Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Thread Quantity Per Inch: 40; Precious Material: SILVER. 17 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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