Cap Socket Head Screw P/N NAS1190-3P8

Specifications

Thread length

0.407–0.500 in

Fastener length

0.469–0.500 in

Material

Overall Steel Comp 4140 or Steel Comp E4340 or Steel Comp 8740

Head diameter

0.357–0.373 in

Nominal thread diameter

Inches 0.190

Surface finish

Bearing Surface of Head Microinches 32.0

Minimum tensile strength

Pounds Per Square Inch 160000

Hardness rating

Overall Rockwell C Minimum 36.0 and Rockwell C Maximum 40.0

Thread class

3A

Thread direction

Right-Hand

Head height

0.122–0.133 in

Surface treatment

Overall Cadmium and Chromate

Specification/standard data

Professional/industrial Association Standard 80205-NAS1190

Material document and classification

Overall MIL Spec 1ST Material Response -IL-S-5626 or MIL Spec 2ND Material Response -IL-S-5000 or MIL Spec 3RD Material Response -IL-S-6049

Thread series designator

Unified National Joint Fine (Unjf)

Surface treatment document and classification

Overall Fed Spec Single Treatment Response QQ--416 TY 2 CL 2

Surface finish

Threads Microinches 32.0

Thread quantity per inch

32

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

NAS1190-3P8 LK1190-3P8 5581426 PL25D02PB PL25D02P8

Also referenced as

NAS1190-3P8B

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 296 on the shelf
Unit of issue	EA each
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 5305-00-690-6444?
NSN 5305-00-690-6444 (5305006906444) — Cap Socket Head Screw: SECO Parts has 296 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap socket head screw in federal supply class 5305 (Screws).

Is NSN 5305-00-690-6444 available?
SECO Parts has 296 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5305-00-690-6444 cost?
NSN 5305-00-690-6444 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What part numbers cross-reference to NSN 5305-00-690-6444?
Part numbers that cross-reference this NSN include NAS1190-3P8, LK1190-3P8, 5581426, PL25D02PB, PL25D02P8. It is also referenced by older, superseded or advisory numbers: NAS1190-3P8B. SECO can quote against any of them.