PartsTable
Technical Data Sheet

7127-17-3/4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7127-17-3/4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, hole_diameter: 0.761 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN, overall_diameter: 1.250 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-155-1837, 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
7127-17-3/4
NSN: 5310-01-155-1837
FSC: 5310 — Nuts and Washers
CAGE: 65059 — TANDEMLOC INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
thickness0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
hole_diameter0.761 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
overall_diameter1.250 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-155-1837
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7127-17-3/4 · 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
•
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.761 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
•
THICKNESS: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.761 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
THICKNESS0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
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 1
7127-51A-L PIECE 45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7127-17-3/4?
7127-17-3/4 is a WASHER,FLAT.
What parts can replace 7127-17-3/4?
There is 1 known substitute for 7127-17-3/4: 7127-51A-L PIECE 45. Substitute compatibility should be verified for your specific system.
What is the NSN for 7127-17-3/4?
7127-17-3/4 is cataloged in the U.S. Government catalog under NSN 5310-01-155-1837. 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.