PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13207E2681FN3Screw,cap,socket Head

Cecom Lr Center · NSN 5305-00-978-9355 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-978-9355 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-978-9355. Primary manufacturer part number: 13207E2681FN3.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: FLAT CHAMFER
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Head Diameter: 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
  • Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-978-9355, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cecom Lr Center. Government technical data includes 19 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
NSN5305-00-978-9355
Primary Part Number13207E2681FN3
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCecom Lr Center
StatusCANCELLED
Head StyleFLAT CHAMFER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Hardness Rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Head Diameter0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Fastener Length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Thread Class3A A
Nondefinitive Spec/std Data6 TYPE
Internal Drive StyleHEXAGON
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Width Across Flats0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Thread Length0.511 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6520-00-541-935000296 INTERCHANGEABLE
Handle,mouth Examining Mirror
Kerr Corporation
5331-00-890-3411NAS1611-212 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
13207E2681FN3 Cecom Lr Center (USA)
FF-S-86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS16997-45 Liebherr-Aerospace Lindenberg Gmbh (DEU)
3176209-A-043 Zf Industrieantriebe Witten Gmbh (DEU)
5305009789355 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS16997-45 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
00296 Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools (USA)
10465435 Nimikkeistokeskus Ncb Finland (FIN)
43S44640-1650 Naval Ordnance Standards (USA)
166252-5 Zf Industrieantriebe Witten Gmbh (DEU)
MS16997-45 Feinmechanische Werke Mainz Gmbh (DEU)
MS16997-45 Psa Peugeot-Citroen Espana, Sa (ESP)
Related Parts
6520-00-541-9350INTERCHANGEABLE
HANDLE,MOUTH EXAMINING MIRROR
00296
5331-00-890-3411INTERCHANGEABLE
O-RING
NAS1611-212

Frequently Asked Questions

What is NSN 5305-00-978-9355?

NSN 5305-00-978-9355 is a Screw,cap,socket Head, manufactured by Cecom Lr Center, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-978-9355?

NSN 5305-00-978-9355 has 12 cross-referenced part numbers: 13207E2681FN3 (Cecom Lr Center), FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC), MS16997-45 (Liebherr-Aerospace Lindenberg Gmbh), 3176209-A-043 (Zf Industrieantriebe Witten Gmbh), 5305009789355 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee) and 7 more.

What NSN replaces 5305-00-978-9355?

There are 2 known substitutes for 5305-00-978-9355: 6520-00-541-9350, 5331-00-890-3411. Verify interchangeability with system specifications before substitution.

What are the specifications of 13207E2681FN3?

Key specifications for 13207E2681FN3: Head Style: FLAT CHAMFER; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-978-9355 still in active supply?

NSN 5305-00-978-9355 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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