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Technical Data Sheet
PartsTable / MRO / 173-73
173-73 ✓ Verified by PartsTable
Trefl · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SNIPER RIFLE BOLT RETAINER PIN is a Trefl industrial component. Key specifications include head_style: PAN, head_height: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3510-00-007-9651, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 173-73
NSN: 3510-00-007-9651
FSC: 3510
CAGE: 11023 — FORENTA LP (USA)
SPECIFICATIONS
head_stylePAN
head_height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
NSN3510-00-007-9651
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trefl SNIPER RIFLE BOLT RETAINER PIN TITLE COMPONENT PN 173-73 MFR Trefl SNIPER RIFLE BOLT RETA
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKEL COPPER ALLOY /MONEL/ MESH
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNICKEL COPPER ALLOY /MONEL/ MESH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
CP4439Interchangeable
interchangeable cross-reference
interchangeable
17373Interchangeable
interchangeable cross-reference
interchangeable
182-82Interchangeable
interchangeable cross-reference
interchangeable
SKB-465 ITEM X303Interchangeable
interchangeable cross-reference
interchangeable
13104270Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 173-73?
173-73 is a SNIPER RIFLE BOLT RETAINER PIN manufactured by Trefl. It is classified as a MRO (MRO_GENERAL).
What parts can replace 173-73?
There are 5 known substitutes for 173-73: CP4439, 17373, 182-82 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 173-73?
173-73 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3510-00-007-9651. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026