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3F.121770 POS 11 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3F.121770 POS 11: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include overall_length: 0.375 INCHES NOMINAL IN, end_item_identification: FOOD WASTE SILO NI-4000-FWS, part_name_assigned_by_controlling_agency: WASHER,SPRING 3/8". This part is cataloged in the U.S.

Government catalog under NSN 5310-01-528-6374, 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
3F.121770 POS 11
NSN: 5310-01-528-6374
FSC: 5310 — Nuts and Washers
CAGE: 3TDF2 — NORSK INOVA LLC (USA)
SPECIFICATIONS
overall_length0.375 INCHES NOMINAL IN
end_item_identificationFOOD WASTE SILO NI-4000-FWS
part_name_assigned_by_controlling_agencyWASHER,SPRING 3/8"
NSN5310-01-528-6374
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3F.121770 POS 11 · 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
TECHNICAL CHARACTERISTICS
OVERALL LENGTH0.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,SPRING 3/8"
END ITEM IDENTIFICATIONFOOD WASTE SILO NI-4000-FWS
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3F.121770 POS 11?
3F.121770 POS 11 is a WASHER,SPRING TENSION.
What is the NSN for 3F.121770 POS 11?
3F.121770 POS 11 is cataloged in the U.S. Government catalog under NSN 5310-01-528-6374. 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.