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814045 — 814045

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

814045: 814045.

The 814045 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-421-7869, 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
MRO→ MRO_GENERAL→ 814045
NSN: 5310-00-421-7869
NIINs: 004217869, 011763422, 013687284
FSC: 5310 — Nuts and Washers
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
special_featuresNYLON; 0.750 IN. LG; 0.450 IN. W; 0.045 IN. H; FOURTEEN 0.035 IN. DIA MTG HOLES SEVEN HOLES PER SIDE SPACED 0.100 IN. ALONG SIDE AND 0.300 IN. W IN
NSN5310-00-421-7869
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 814045 · 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: 0.344 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ECLIPSALLOY TEMPER 49T MFR REF 1ST MATERIAL RESPONSE OR QQ-A-225/6 TEMPER T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT HEIGHT: 0.094 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.344 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONECLIPSALLOY TEMPER 49T MFR REF 1ST MATERIAL RESPONSE OR QQ-A-225/6 TEMPER T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.094 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH28
MATERIALALUMINUM ALLOY OR ALUMINUM ALLOY 2024 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
E20366Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 814045?
814045 is a 814045. It is classified as a MRO (MRO_GENERAL).
What parts can replace 814045?
There is 1 known substitute for 814045: E20366. Substitute compatibility should be verified for your specific system.
What is the NSN for 814045?
814045 is cataloged in the U.S. Government catalog under NSN 5310-00-421-7869. 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.