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128HM10058-1 — PACKING NUT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

128HM10058-1: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thread_size: 2-1/4IN-16 IN, thread_class: 3B, thread_length: 0.550 INCHES NOMINAL IN, overall_length: 0.718 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, special_features: THREE SLOTS 0.093 IN. W IN FACE OF NUT IN.

This part is cataloged in the U.S. Government catalog under NSN 4730-00-970-9627, 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
128HM10058-1
NSN: 4730-00-970-9627
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 416
thread_size2-1/4IN-16 IN
thread_class3B
thread_length0.550 INCHES NOMINAL IN
overall_length0.718 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
special_featuresTHREE SLOTS 0.093 IN. W IN FACE OF NUT IN
style_designatorKNURLED, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
length_to_shoulder0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
screw_thread_locationINTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter2.056 INCHES MINIMUM AND 2.061 INCHES MAXIMUM IN
NSN4730-00-970-9627
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 128HM10058-1 · 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: 0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.550 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KNURLED, INTERNAL THREAD, SHOULDERED
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
THREAD SIZE: 2-1/4IN-16 IN
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
THREAD LENGTH0.550 INCHES NOMINAL IN
STYLE DESIGNATORKNURLED, INTERNAL THREAD, SHOULDERED
OVERALL LENGTH0.718 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE2-1/4IN-16 IN
SPECIAL FEATURESTHREE SLOTS 0.093 IN. W IN FACE OF NUT IN
SCREW THREAD SERIES DESIGNATORUN
THREAD CLASS3B
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 128HM10058-1?
128HM10058-1 is a PACKING NUT.
What is the NSN for 128HM10058-1?
128HM10058-1 is cataloged in the U.S. Government catalog under NSN 4730-00-970-9627. This indicates validated use in U.S. government and defense supply chains.
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