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Technical Data Sheet
PartsTable / COMPONENT / 176-081
176-081 ✓ Verified by PartsTable
— · COMPONENT
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

RETAINER,HELICAL COMPRESSION SPR. Key specifications include head_style: HEXAGON, head_height: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-309-7730, 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
176-081
NSN: 5355-00-309-7730
FSC: 5355
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class2A A
thread_length0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch40
NSN5355-00-309-7730
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,HELICAL COMPRESSION SPR TITLE COMPONENT PN 176-081 MFR RETAINER,HELICAL COMPR
KEY FEATURES
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: HEXAGON PANEL MOUNT
•
WIDTH: 1.750 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORHEXAGON PANEL MOUNT
WIDTH1.750 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
853899Interchangeable
interchangeable cross-reference
interchangeable
07-853899Interchangeable
interchangeable cross-reference
interchangeable
A10060Interchangeable
interchangeable cross-reference
interchangeable
10060Interchangeable
interchangeable cross-reference
interchangeable
0001302-1008Interchangeable
interchangeable cross-reference
interchangeable
182MAN9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 176-081?
176-081 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 176-081?
There are 21 known substitutes for 176-081: 853899, 07-853899, A10060 and 18 more. Substitute compatibility should be verified for your specific system.
Is 176-081 still available?
176-081 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026