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901838 — PUMP,FUEL,METERING AND DISTRIBUT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

901838: PUMP,FUEL,METERING AND DISTRIBUT.

PUMP,FUEL,METERING AND DISTRIBUT. Key specifications include end_item_identification: USCG OFFSHORE PATROL CUTTER (OPC), part_name_assigned_by_controlling_agency: PUMP. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-485-1645, 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
901838
NSN: 5310-00-485-1645
NIINs: 004851645, 005879937, 017160185
FSC: 5310 — Nuts and Washers
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
end_item_identificationUSCG OFFSHORE PATROL CUTTER (OPC)
part_name_assigned_by_controlling_agencyPUMP
NSN5310-00-485-1645
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 901838 · 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: 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.138 INCHES IN
•
NUT HEIGHT: 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
NUT HEIGHT0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH32
MATERIALCOPPER ALLOY OVERALL
BEARING SURFACE TYPEFLAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 901838?
901838 is a PUMP,FUEL,METERING AND DISTRIBUT.
What is the NSN for 901838?
901838 is cataloged in the U.S. Government catalog under NSN 5310-00-485-1645. 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.