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RB17874 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

RB17874: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1095 OVERALL, overall_width: 0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN, overall_height: 0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN, overall_length: 0.750 INCHES NOMINAL IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-930-0804, 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
RB17874
NSN: 5315-00-930-0804
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialSTEEL COMP 1095 OVERALL
overall_width0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
overall_height0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
overall_length0.750 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationMIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-930-0804
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RB17874 · 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
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1095 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.750 INCHES NOMINAL IN
OVERALL WIDTH0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1095 OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RB17874?
RB17874 is a KEY,MACHINE.
What is the NSN for RB17874?
RB17874 is cataloged in the U.S. Government catalog under NSN 5315-00-930-0804. This indicates validated use in U.S. government and defense supply chains.
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