PartsTable
Technical Data Sheet
Download PDF

LD153-0027A1004 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LD153-0027A1004: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, recess_diameter: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, outside_diameter: 0.428 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-423-6701, 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
LD153-0027A1004
NSN: 5310-01-423-6701
FSC: 5310 — Nuts and Washers
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
recess_diameter0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
outside_diameter0.428 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
special_featuresWASHER TO BE USED PRIMARILY WITH BOLTS HAVING A TENSILE STRENGTH OF 220 MIN KSI.
style_designatorRECESSED
surface_treatmentANODIZE OVERALL
material_thickness0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
material_document_and_classificationAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-423-6701
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LD153-0027A1004 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.428 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.428 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
MATERIAL THICKNESS0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
RECESS DIAMETER0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
SPECIAL FEATURESWASHER TO BE USED PRIMARILY WITH BOLTS HAVING A TENSILE STRENGTH OF 220 MIN KSI.
SURFACE TREATMENTANODIZE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
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
Ready to buy LD153-0027A1004?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LD153-0027A1004?
LD153-0027A1004 is a WASHER,RECESSED.
What is the NSN for LD153-0027A1004?
LD153-0027A1004 is cataloged in the U.S. Government catalog under NSN 5310-01-423-6701. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LD153-0027A1004

✓ 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.