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203688 — VALVE,SHUT OFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

203688: VALVE,SHUT OFF.

The VALVE,SHUT OFF is a the manufacturer industrial component. Key specifications include special_features: 1.500 INCHES NPT CUTOFF,WHICH PREVENTS AIR FROM ENTEROMG PUMP WHEN FLUID SUPPLY FROM PUMP,EXHAUSTED; IN, part_name_assigned_by_controlling_agency: VALVE,SHUT OFF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-121-8285, 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
203688
NSN: 5310-00-121-8285
NIINs: 001218285, 016989861
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_features1.500 INCHES NPT CUTOFF,WHICH PREVENTS AIR FROM ENTEROMG PUMP WHEN FLUID SUPPLY FROM PUMP,EXHAUSTED; IN
part_name_assigned_by_controlling_agencyVALVE,SHUT OFF
NSN5310-00-121-8285
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 203688 · 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
•
WIDTH ACROSS FLATS: 0.430 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT HEIGHT: 0.175 INCHES NOMINAL IN
•
NUT STYLE: SQUARE
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THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.430 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.175 INCHES NOMINAL IN
NUT STYLESQUARE
THREAD CLASS2B
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
BEARING SURFACE TYPECHAMFERED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203688?
203688 is a VALVE,SHUT OFF.
What is the NSN for 203688?
203688 is cataloged in the U.S. Government catalog under NSN 5310-00-121-8285. This indicates validated use in U.S. government and defense supply chains.
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