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857161-00 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

857161-00: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.188 INCHES NOMINAL IN, material: STEEL OVERALL, overall_length: 1.605 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN, surface_finish: 80.0 MICROINCHES OUTSIDE DIAMETER, style_designator: SLOTTED, material_thickness: 0.040 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-290-7701, 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
857161-00
NSN: 5315-00-290-7701
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 32345 — DEFENSE REDUCTION AGENCY (USA)
SPECIFICATIONS
diameter0.188 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_length1.605 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN
surface_finish80.0 MICROINCHES OUTSIDE DIAMETER
style_designatorSLOTTED
material_thickness0.040 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND B COMPOSITION
NSN5315-00-290-7701
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 857161-00 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 80.0 MICROINCHES OUTSIDE DIAMETER
•
STYLE DESIGNATOR: SLOTTED
•
DIAMETER: 0.188 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND B COMPOSITION
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
STYLE DESIGNATORSLOTTED
DIAMETER0.188 INCHES NOMINAL IN
OVERALL LENGTH1.605 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B COMPOSITION
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
79-040-187-1625Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
0495-124Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NAS561C6-26Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS171599Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
147287Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
0716720Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 857161-00?
857161-00 is a PIN,SPRING.
What parts can replace 857161-00?
There are 6 known substitutes for 857161-00: 79-040-187-1625, 0495-124, NAS561C6-26 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 857161-00?
857161-00 is cataloged in the U.S. Government catalog under NSN 5315-00-290-7701. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.