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920321 — LOCKNUT,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

920321: LOCKNUT,PIPE.

The LOCKNUT,PIPE is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, nut_style: PIPE LOCKNUT, thread_class: 2B, thread_series: NPSL, thread_direction: RIGHT-HAND, countersink_angle: 45.0 DEGREES NOMINAL NUT. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-350-9625, 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
920321
NSN: 4730-00-350-9625
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialIRON OVERALL
nut_stylePIPE LOCKNUT
thread_class2B
thread_seriesNPSL
thread_directionRIGHT-HAND
countersink_angle45.0 DEGREES NOMINAL NUT
surface_treatmentZINC OVERALL
width_across_flats1.250 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
packing_recess_depth0.063 INCHES NOMINAL IN
packing_recess_diameter1.063 INCHES NOMINAL IN
thread_quantity_per_inch14
NSN4730-00-350-9625
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 920321 · 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
•
WIDTH ACROSS FLATS: 1.250 INCHES NOMINAL IN
•
PACKING RECESS DIAMETER: 1.063 INCHES NOMINAL IN
•
THREAD SERIES: NPSL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
SURFACE TREATMENT: ZINC OVERALL
•
COUNTERSINK ANGLE: 45.0 DEGREES NOMINAL NUT
•
NUT STYLE: PIPE LOCKNUT
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.250 INCHES NOMINAL IN
PACKING RECESS DIAMETER1.063 INCHES NOMINAL IN
THREAD SERIESNPSL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
SURFACE TREATMENTZINC OVERALL
COUNTERSINK ANGLE45.0 DEGREES NOMINAL NUT
NUT STYLEPIPE LOCKNUT
THREAD CLASS2B
THREAD QUANTITY PER INCH14
SUBSTITUTES & CROSS-REFERENCES 4
144577Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WWP471CQQBCDSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4557K14Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WW-P-471Reference document
Same NSN cross-reference
Reference document — Identification reference
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 920321?
920321 is a LOCKNUT,PIPE.
What parts can replace 920321?
There are 4 known substitutes for 920321: 144577, WWP471CQQBCD, 4557K14 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 920321?
920321 is cataloged in the U.S. Government catalog under NSN 4730-00-350-9625. This indicates validated use in U.S. government and defense supply chains.
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