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8331538 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

8331538: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: SHOULDER, overall_length: 6.735 INCHES MINIMUM AND 6.765 INCHES MAXIMUM IN, width_across_flats: 1.000 INCHES NOMINAL IN, concentric_hole_depth: 2.437 INCHES NOMINAL IN, first_end_thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-696-2972, 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
8331538
NSN: 4730-00-696-2972
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 32783 — LASMER INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL
body_styleSHOULDER
overall_length6.735 INCHES MINIMUM AND 6.765 INCHES MAXIMUM IN
width_across_flats1.000 INCHES NOMINAL IN
concentric_hole_depth2.437 INCHES NOMINAL IN
first_end_thread_class3A A
first_end_thread_length0.875 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
second_end_thread_length0.500 INCHES NOMINAL IN
wrenching_feature_height0.562 INCHES NOMINAL IN
first_end_connection_typeTHREADED EXTERNAL TUBE
NSN4730-00-696-2972
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8331538 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST END THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 1.000 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END NOMINAL THREAD SIZE: 0.125 INCHES IN
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 5.093 INCHES NOMINAL IN
•
BODY STYLE: SHOULDER
•
FIRST END THREAD CLASS: 3A A
•
FIRST END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS1.000 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END NOMINAL THREAD SIZE0.125 INCHES IN
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER5.093 INCHES NOMINAL IN
BODY STYLESHOULDER
FIRST END THREAD CLASS3A A
FIRST END STYLE DESIGNATORPLAIN
CONCENTRIC HOLE DEPTH2.437 INCHES NOMINAL IN
WRENCHING FEATURE HEIGHT0.562 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
324375Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306006962972Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 8331538?
8331538 is a BOLT,FLUID PASSAGE.
What parts can replace 8331538?
There are 2 known substitutes for 8331538: 324375, 5306006962972. Substitute compatibility should be verified for your specific system.
What is the NSN for 8331538?
8331538 is cataloged in the U.S. Government catalog under NSN 4730-00-696-2972. This indicates validated use in U.S. government and defense supply chains.
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