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Technical Data Sheet
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51615 — PACKING NUT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

51615: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: PLASTIC, part_name_assigned_by_controlling_agency: PAD POSITIONING SURGICAL 9X48IN MOLDABLE FILLED W/PLASTIC BEADS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-847-7245, 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
51615
NSN: 4730-00-847-7245
NIINs: 008477245, 013182972
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 02121 — GOODRICH AEROSPACE CANADA LTD (CAN)
SPECIFICATIONS
materialPLASTIC
part_name_assigned_by_controlling_agencyPAD POSITIONING SURGICAL 9X48IN MOLDABLE FILLED W/PLASTIC BEADS
NSN4730-00-847-7245
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 51615 · 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: 1.344 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.627 INCHES NOMINAL IN
•
STRENGTH RATING: ERR-060
•
THREAD LENGTH: 1.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON, INTERNAL THREAD, SHOULDERED
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER1.344 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.627 INCHES NOMINAL IN
STRENGTH RATINGERR-060
THREAD LENGTH1.062 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
OVERALL LENGTH1.437 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE1-3/16IN-16 IN
SPECIAL FEATURESHEAD-COUNTERBORED AT 1.406 IN. DIA BY 0.206 IN. DEEP; HEAD-INTERNAL RECESS,TO ACCOMODATE PACKING,0.190 IN.W BY 0.206 IN. DEEP; SHANK-INTERNAL CHAMFER AT THD ENTRANCE 0.045 IN. BY 45 DEG IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51615?
51615 is a PACKING NUT.
What is the NSN for 51615?
51615 is cataloged in the U.S. Government catalog under NSN 4730-00-847-7245. 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.