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124-4322605 PC42 — PACKING NUT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

124-4322605 PC42: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_size: 1 5/8-12, thread_length: 0.781 INCHES NOMINAL IN, overall_length: 1.000 INCHES NOMINAL IN, special_features: MATERIAL PER QQ-B-637, style_designator: HEXAGON, INTERNAL THREAD, SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-490-2355, 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
124-4322605 PC42
NSN: 4730-01-490-2355
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_size1 5/8-12
thread_length0.781 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
special_featuresMATERIAL PER QQ-B-637
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
length_to_shoulder0.875 INCHES NOMINAL IN
width_across_flats1.875 INCHES NOMINAL IN
screw_thread_locationINTERNAL
casehardening_indicatorNOT CASEHARDENED
end_item_identificationSHIP, WATER TIGHT DOOR
NSN4730-01-490-2355
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 124-4322605 PC42 · 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
•
LENGTH TO SHOULDER: 0.875 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.875 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 75.0 ROCKWELL C NOMINAL
•
THREAD LENGTH: 0.781 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON, INTERNAL THREAD, SHOULDERED
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER0.875 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.875 INCHES NOMINAL IN
MATERIAL HARDNESS RATING75.0 ROCKWELL C NOMINAL
THREAD LENGTH0.781 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
OVERALL LENGTH1.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE1 5/8-12
SPECIAL FEATURESMATERIAL PER QQ-B-637
SUBSTITUTES & CROSS-REFERENCES 2
124-4322605Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
124-4322605 PCReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 124-4322605 PC42?
124-4322605 PC42 is a PACKING NUT.
What parts can replace 124-4322605 PC42?
There are 2 known substitutes for 124-4322605 PC42: 124-4322605, 124-4322605 PC. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4322605 PC42?
124-4322605 PC42 is cataloged in the U.S. Government catalog under NSN 4730-01-490-2355. 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.