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7003126 — PACKING NUT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7003126: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: STEEL, thread_size: 2.000-11-1/2, thread_class: 3A A, thread_length: 0.250 INCHES NOMINAL IN, overall_length: 0.250 INCHES NOMINAL IN, special_features: FOUR 0.125 IN. DIA HOLES,0.062 IN.

DEEP,EQUALLY SPACED 1.625 IN. CTOC IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-022-9512, 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
7003126
NSN: 4730-01-022-9512
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 05073 — BABCOCK & WILCOX CO (USA)
SPECIFICATIONS
materialSTEEL
thread_size2.000-11-1/2
thread_class3A A
thread_length0.250 INCHES NOMINAL IN
overall_length0.250 INCHES NOMINAL IN
special_featuresFOUR 0.125 IN. DIA HOLES,0.062 IN. DEEP,EQUALLY SPACED 1.625 IN. CTOC IN
style_designatorIRREGULAR
thread_directionRIGHT-HAND
width_across_flats2.000 INCHES NOMINAL IN
screw_thread_locationEXTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter1.500 INCHES NOMINAL IN
NSN4730-01-022-9512
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7003126 · 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: 2.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
THREAD SIZE: 2.000-11-1/2
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
OVERALL LENGTH0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE2.000-11-1/2
SPECIAL FEATURESFOUR 0.125 IN. DIA HOLES,0.062 IN. DEEP,EQUALLY SPACED 1.625 IN. CTOC IN
SCREW THREAD SERIES DESIGNATORUNS
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 2
35525AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
5463EPC165Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 7003126?
7003126 is a PACKING NUT.
What parts can replace 7003126?
There are 2 known substitutes for 7003126: 35525A, 5463EPC165. Substitute compatibility should be verified for your specific system.
What is the NSN for 7003126?
7003126 is cataloged in the U.S. Government catalog under NSN 4730-01-022-9512. 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.