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PartsTable / COMPONENT / PL999F0742 PC 37
PL999F0742 PC 37 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1035 OVERALL, hole_diameter: 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN, outside_diameter: 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN, style_designator: KEY, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL, material_thickness: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-205-8249, 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
PL999F0742 PC 37
NSN: 5310-00-205-8249
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1035 OVERALL
hole_diameter1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
outside_diameter2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
style_designatorKEY
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
material_thickness0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
external_key_quantity17
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
external_prebent_key_width0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
internal_prebent_key_width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
internal_prebent_key_length0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
overall_distance_including_keys2.734 INCHES MAXIMUM IN
NSN5310-00-205-8249
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PL999F0742 PC 37 · 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: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1035 OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 2.734 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
•
INTERNAL PREBENT KEY LENGTH: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1035 OVERALL
OVERALL DISTANCE INCLUDING KEYS2.734 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OVERALL
OUTSIDE DIAMETER2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
INTERNAL PREBENT KEY WIDTH0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
MATERIAL THICKNESS0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
W09Interchangeable
interchangeable cross-reference
interchangeable
E2645PC30Interchangeable
interchangeable cross-reference
interchangeable
35515PC14Interchangeable
interchangeable cross-reference
interchangeable
M-3151 PIECE NO 8Interchangeable
interchangeable cross-reference
interchangeable
103717Interchangeable
interchangeable cross-reference
interchangeable
PRP568-252-457-60Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL999F0742 PC 37?
PL999F0742 PC 37 is a WASHER,KEY.
What parts can replace PL999F0742 PC 37?
There are 21 known substitutes for PL999F0742 PC 37: W09, E2645PC30, 35515PC14 and 18 more. Substitute compatibility should be verified for your specific system.
Is PL999F0742 PC 37 still available?
PL999F0742 PC 37 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026