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STD845-2 — PUMP,FUEL,METERING AND DISTRIBUT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

STD845-2: PUMP,FUEL,METERING AND DISTRIBUT.

PUMP,FUEL,METERING AND DISTRIBUT. Key specifications include ring_style: SPECIAL, usage_design: INTERNAL, inside_diameter: 1.193 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN, major_thickness: 0.0234 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN, strength_rating: ERR-060, outside_diameter: 1.369 INCHES MINIMUM AND 1.384 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-318-2168, 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
STD845-2
NSN: 5325-01-318-2168
NIINs: 013182168, 013556750
FSC: 5325 — Fastening Devices
CAGE: 81579 — MASON ELECTRIC CO. DBA MASON CONTROLS (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
ring_styleSPECIAL
usage_designINTERNAL
inside_diameter1.193 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
major_thickness0.0234 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter1.369 INCHES MINIMUM AND 1.384 INCHES MAXIMUM IN
special_featuresUSED IN THE FUEL METERING UNIT FOR THE F402 AIRCRAFT ENGINE FOR THE AV-8 HARRIER AIRCRAFT
surface_treatmentCADMIUM AND CHROMATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-318-2168
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: STD845-2 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: INTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.369 INCHES MINIMUM AND 1.384 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.0234 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.193 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.369 INCHES MINIMUM AND 1.384 INCHES MAXIMUM IN
MAJOR THICKNESS0.0234 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN
INSIDE DIAMETER1.193 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL
SURFACE TREATMENTCADMIUM AND CHROMATE
SUBSTITUTES & CROSS-REFERENCES 1
UR-13/CDReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is STD845-2?
STD845-2 is a PUMP,FUEL,METERING AND DISTRIBUT.
What parts can replace STD845-2?
There is 1 known substitute for STD845-2: UR-13/CD. Substitute compatibility should be verified for your specific system.
What is the NSN for STD845-2?
STD845-2 is cataloged in the U.S. Government catalog under NSN 5325-01-318-2168. 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.