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4351R — PUSH LOCK FITTING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4351R: PUSH LOCK FITTING.

The PUSH LOCK FITTING is a the manufacturer industrial component. Key specifications include special_features: SERICORE 082-0416: 5 MILLIMETER OD 1/8 INCH NPT FLAT BOTTOM FITTING MM, supplementary_features: IDEAL PRODUCTS 4351R INCLUDED 5 PIECES, end_item_identification: STANDOFF DISR, part_name_assigned_by_controlling_agency: 2.5MM OD 1/8 INCH NPT FLAT BOTTOM FITTING MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-939-1577, 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
4351R
NSN: 5310-00-939-1577
NIINs: 009391577, 016864336
FSC: 5310 — Nuts and Washers
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
special_featuresSERICORE 082-0416: 5 MILLIMETER OD 1/8 INCH NPT FLAT BOTTOM FITTING MM
supplementary_featuresIDEAL PRODUCTS 4351R INCLUDED 5 PIECES
end_item_identificationSTANDOFF DISR
part_name_assigned_by_controlling_agency2.5MM OD 1/8 INCH NPT FLAT BOTTOM FITTING MM
NSN5310-00-939-1577
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4351R · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT HEIGHT: 0.125 INCHES NOMINAL IN
•
COUNTERSINK ANGLE: 110.0 DEGREES NOMINAL NUT
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION B
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.125 INCHES NOMINAL IN
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH28
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4351R?
4351R is a PUSH LOCK FITTING.
What is the NSN for 4351R?
4351R is cataloged in the U.S. Government catalog under NSN 5310-00-939-1577. This indicates validated use in U.S. government and defense supply chains.
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