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P490-1 — TRANSFORMER,POWER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

P490-1: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: WOOL OVERALL, thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, hole_diameter: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, overall_diameter: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-230-2107, 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
P490-1
NSN: 5310-00-230-2107
NIINs: 002302107, 012929965
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialWOOL OVERALL
thickness0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
hole_diameter0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
overall_diameter1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-230-2107
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P490-1 · 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: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: WOOL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
•
THICKNESS: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALWOOL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
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 P490-1?
P490-1 is a TRANSFORMER,POWER.
What is the NSN for P490-1?
P490-1 is cataloged in the U.S. Government catalog under NSN 5310-00-230-2107. 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.