NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-01-620-0557
Plain Single Ball Seat Hexag Nut P/N 37187
In stock — 100 on our U.S. shelfNSN 5310-01-620-0557 5310016200557 NIIN 016200557
SECO Parts has 100 in stock of NSN 5310-01-620-0557 — Plain Single Ball Seat Hexag Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- NUT,PLAIN,SINGLE BALL SEAT,HEXAG
- SECO description
- NUT, PLAIN
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 100 |
| Total | 100 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-01-620-0557 016200557 37187 06A8199990
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Thread class
- 2B
- Thread direction
- Right-Hand
- Nut height
- 0.579–0.609 in
- Width across flats
- 0.736–0.752 in
- Thread series
- Unified National Coarse (UNC)
- Thread quantity per inch
- 13
- Nominal thread size
- Inches 0.500
- Thread tolerance class
- Internal 2B
- Part name assigned by controlling agency
- Nylock Nut
- Material
- Locking Insert Plastic Nylon
- Material
- Overall Except Insert Steel
- Surface treatment
- Overall Except Insert Zinc
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
37187 06A8199990
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 100 on the shelf |
| Unit of issue | HD hundred |
| 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 5310-01-620-0557?
NSN 5310-01-620-0557 (5310016200557) — Plain Single Ball Seat Hexag Nut: SECO Parts has 100 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for plain single ball seat hexag nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-01-620-0557 available?
SECO Parts has 100 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-01-620-0557 cost?
SECO quotes NSN 5310-01-620-0557 on request, usually the same business day.
What part numbers cross-reference to NSN 5310-01-620-0557?
Part numbers that cross-reference this NSN include 37187, 06A8199990. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,PLAIN,SINGLE BALL SEAT,HEXAG. Same name is not the same part: check the part numbers.