4540-01-181-1580 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-181-1582 WASHER,FLAT

National Stock Number:
5310-01-181-1581

Federal Supply Class:
5310

National Item Identification Number:
011811581

Description:
NUT,PLAIN,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
6253057-103640LOCKHEED MARTIN CORPORATION
6253057-152088LOCKHEED MARTIN CORPORATION


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 201 OR
STEEL COMP 202 OR
STEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 304 OR
STEEL COMP 304L OR
STEEL COMP 305 OR
STEEL COMP 309 OR
STEEL COMP 310 OR
STEEL COMP 316 OR
STEEL COMP 316L OR
STEEL COMP 321 OR
STEEL COMP 323 OR
STEEL COMP 347 OR
STEEL COMP 348 OR
STEEL COMP 410 OR
STEEL COMP 420 OR
STEEL COMP 430 OR
STEEL COMP 446 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEROUND
NUT DIAMETER0.240 INCHES MINIMUM AND
0.260 INCHES MAXIMUM
NUT THICKNESS0.022 INCHES MINIMUM AND
0.028 INCHES MAXIMUM


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