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DAA7257D547-001 — NUT,PLAIN,RECTANGULAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DAA7257D547-001: NUT,PLAIN,RECTANGULAR.

The NUT,PLAIN,RECTANGULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, nut_style: PLAIN, RECTANGULAR, nut_width: 0.750 INCHES NOMINAL IN, nut_height: 0.500 INCHES NOMINAL IN, nut_length: 1.500 INCHES NOMINAL IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-445-1518, 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
DAA7257D547-001
NSN: 5310-01-445-1518
FSC: 5310 — Nuts and Washers
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
nut_stylePLAIN, RECTANGULAR
nut_width0.750 INCHES NOMINAL IN
nut_height0.500 INCHES NOMINAL IN
nut_length1.500 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating33.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch16
material_document_and_classificationAMS6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-445-1518
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DAA7257D547-001 · 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
•
NUT WIDTH: 0.750 INCHES NOMINAL IN
•
NUT LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 33.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NUT WIDTH0.750 INCHES NOMINAL IN
NUT LENGTH1.500 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING33.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.500 INCHES NOMINAL IN
NUT STYLEPLAIN, RECTANGULAR
THREAD CLASS2B
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 DAA7257D547-001?
DAA7257D547-001 is a NUT,PLAIN,RECTANGULAR.
What is the NSN for DAA7257D547-001?
DAA7257D547-001 is cataloged in the U.S. Government catalog under NSN 5310-01-445-1518. 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.