PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

771-5Pin,straight,headless

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5315-00-291-7658 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-291-7658 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-291-7658. Primary manufacturer part number: 771-5.
Features
  • Pin,straight,headless — FSC 5315
  • First End Taper Length: 0.016 INCHES NOMINAL IN
  • First End Style: CHAMFERED
  • Pin Overall Length: 2.215 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Pin Overall Diameter: 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-S-6709,COMP A,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Second End Relationship with First End: IDENTICAL
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-00-291-7658, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-291-7658
Primary Part Number771-5
Item NamePin,straight,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
First End Taper Length0.016 INCHES NOMINAL IN
First End StyleCHAMFERED
Pin Overall Length2.215 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Pin Overall Diameter0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-6709,COMP A,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Second End Relationship with First EndIDENTICAL
Hardness Rating90.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL
First End Taper Angle45.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-137-7692ML7715 INTERCHANGEABLE
Electron Tube
Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
6240-00-152-6112349 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5310-00-285-1626 INTERCHANGEABLE
Washer,flat
3120-00-343-25207715 INTERCHANGEABLE
Bearing,sleeve
Cooper Machinery Services Llc
5962-00-482-9758536901-2 INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon
5950-00-518-2052 INTERCHANGEABLE
Reactor
5935-00-702-4199 INTERCHANGEABLE
Jack,tip
5945-00-895-97396957ED25-1E INTERCHANGEABLE
Relay,electromagnetic
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4730-00-957-2163 INTERCHANGEABLE
Union,pipe
3030-01-101-86777715 INTERCHANGEABLE
Belt,v
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
771-5 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
771-5 Donallco Inc (USA)
Related Parts
5960-00-137-7692INTERCHANGEABLE
ELECTRON TUBE
ML7715
6240-00-152-6112INTERCHANGEABLE
LAMP,INCANDESCENT
349
5310-00-285-1626INTERCHANGEABLE
WASHER,FLAT
3120-00-343-2520INTERCHANGEABLE
BEARING,SLEEVE
7715
5962-00-482-9758INTERCHANGEABLE
MICROCIRCUIT,LINEAR
536901-2
5950-00-518-2052INTERCHANGEABLE
REACTOR
5935-00-702-4199INTERCHANGEABLE
JACK,TIP
5945-00-895-9739INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6957ED25-1E
4730-00-957-2163INTERCHANGEABLE
UNION,PIPE
3030-01-101-8677INTERCHANGEABLE
BELT,V
7715
5930-01-128-0755INTERCHANGEABLE
SWITCH
7715
6240-01-228-8731INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 5315-00-291-7658?

NSN 5315-00-291-7658 is a Pin,straight,headless, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-291-7658?

NSN 5315-00-291-7658 has 2 cross-referenced part numbers: 771-5 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 771-5 (Donallco Inc).

What NSN replaces 5315-00-291-7658?

There are 12 known substitutes for 5315-00-291-7658: 5960-00-137-7692, 6240-00-152-6112, 5310-00-285-1626 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 771-5?

Key specifications for 771-5: First End Taper Length: 0.016 INCHES NOMINAL IN; First End Style: CHAMFERED; Pin Overall Length: 2.215 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL. 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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