PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2520088C1Screw,tapping

Nd Defense Llc · NSN 5305-01-610-6561 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-610-6561 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-610-6561. Primary manufacturer part number: 2520088C1.
Features
  • Screw,tapping — FSC 5305
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Nonmachine Nominal Thread Diameter: 0.1380 INCHES IN
  • Head Style: PAN
  • Nonmachine Thread Style: DOG TYPE (TYPE B OR C)
  • Internal Drive Style: TORX
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-01-610-6561, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nd Defense Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-610-6561
Primary Part Number2520088C1
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNd Defense Llc
StatusACTIVE
Fastener Length0.500 INCHES NOMINAL IN
Nonmachine Nominal Thread Diameter0.1380 INCHES IN
Head StylePAN
Nonmachine Thread StyleDOG TYPE (TYPE B OR C)
Internal Drive StyleTORX
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-297-71067320658 INTERCHANGEABLE
O-Ring
U S Army Tank Automotive Command Amsta-Im-Mm
4730-01-038-4429SMB790709-2 INTERCHANGEABLE
Strainer Element,sediment
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
11845-1 Gt Development Corp (USA)
2520088C1 PRIMARY Nd Defense Llc (USA)
11845-1 A & a Co Inc (USA)
Related Parts
5331-00-297-7106INTERCHANGEABLE
O-RING
7320658
4730-01-038-4429INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
SMB790709-2

Frequently Asked Questions

What is NSN 5305-01-610-6561?

NSN 5305-01-610-6561 is a Screw,tapping, manufactured by Nd Defense Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-610-6561?

NSN 5305-01-610-6561 has 3 cross-referenced part numbers: 11845-1 (Gt Development Corp), 2520088C1 (Nd Defense Llc), 11845-1 (A & a Co Inc).

What NSN replaces 5305-01-610-6561?

There are 2 known substitutes for 5305-01-610-6561: 5331-00-297-7106, 4730-01-038-4429. Verify interchangeability with system specifications before substitution.

What are the specifications of 2520088C1?

Key specifications for 2520088C1: Fastener Length: 0.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SCREW, TORX, THREAD CUTTING; Nonmachine Nominal Thread Diameter: 0.1380 INCHES IN; Head Style: PAN. 9 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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