PartsTable
Technical Data Sheet

FS-1/2NS ST — NUT,SELF-LOCKING,GANG CHANNEL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

FS-1/2NS ST: NUT,SELF-LOCKING,GANG CHANNEL.

The NUT,SELF-LOCKING,GANG CHANNEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_height: 0.500 INCHES NOMINAL IN, nominal_thread_size: 0.500 INCHES IN, end_item_identification: TACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-526-2812, 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
FS-1/2NS ST
NSN: 5310-01-526-2812
FSC: 5310 — Nuts and Washers
CAGE: 1KXJ3 — FLEX-STRUT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_height0.500 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
end_item_identificationTACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656
NSN5310-01-526-2812
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FS-1/2NS ST · 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
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT HEIGHT: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONTACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656
MATERIALSTEEL OVERALL
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 2
FS-1/2NS E/GSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FS-1/2NSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FS-1/2NS ST?
FS-1/2NS ST is a NUT,SELF-LOCKING,GANG CHANNEL.
What parts can replace FS-1/2NS ST?
There are 2 known substitutes for FS-1/2NS ST: FS-1/2NS E/G, FS-1/2NS. Substitute compatibility should be verified for your specific system.
What is the NSN for FS-1/2NS ST?
FS-1/2NS ST is cataloged in the U.S. Government catalog under NSN 5310-01-526-2812. 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.